Weldmac Logo

Manufacturer of Precision Assemblies for Aerospace and Other Industries.

Extensive in-house capabilities
Weldmac Manufacturing Company is a major supplier of sheet metal, machined and welded assemblies for aerospace and other industries. Based in El Cajon, California and established in 1968, Weldmac offers a comprehensive set of services, including laser cutting and welding for stainless, aluminum, titanium, Inconel, Hastelloy and other alloys. Weldmac performs computer-aided design, manufacturing and engineering (CAD/CAM/CAE), and has a nearly limitless capability for sheet metal forming, no matter how complex the parts and assemblies. Metal Fabricated Part

A recognized leader and innovator in metal fabrication
Weldmac has the capability and experience to tackle even the most demanding metal fabrication assemblies. Leading manufacturers and consumers such as Boeing, Northrop Grumman, General Dynamics, United Technology, Parker Hannifin, Raytheon and the U.S. military seek out Weldmac for their most challenging projects.

High quality metal bellows and metal expansion joints
They say necessity is the mother of invention. Weldmac needed specialized bellows assemblies for its own manufacturing processes. Unfortunately, there was no product on the market that met the high standards Weldmac requires. So, Weldmac invented one.

Metal Bellows

Weldmac’s metal bellows and metal expansion joints are engineered and produced to any custom specifications. They can be any size, up to 100 or more inches in diameter. Because Weldmac has the highest-level quality control and process certifications, its bellows far exceed the usual commercial standards offered by our competition.

  • Durable enough to meet aerospace industry requirements
  • Last longer and perform better
  • Manufactured in a wide range of materials
  • Can  withstand extreme temperatures, pressures or corrosives

Experienced and practiced in success
Weldmac is staffed by professionals that have decades of experience in the industry. Our company culture of training and promoting within has developed a unique synergy of leadership and shop personnel. Our leadership staff averages 20+years at Weldmac. Many of them began their careers at Weldmac on the shop floor. This culture creates a team that is motivated to constantly improve and exceed expectations.

Sheet Metal Shop